D
dotuongbo


tìm a, b để f(x) chia hết cho g (x)
a. [TEX]f(x)= x^4- 9x^3 +21x^2+ ax +b[/TEX]
[TEX]g(x)= x^2-x-2[/TEX]
b. [TEX]f(x)= x^3+ ax^2+ 2x +b[/TEX]
[TEX]g(x) = x^2+x+x[/TEX]
a. [TEX]f(x)= x^4- 9x^3 +21x^2+ ax +b[/TEX]
[TEX]g(x)= x^2-x-2[/TEX]
b. [TEX]f(x)= x^3+ ax^2+ 2x +b[/TEX]
[TEX]g(x) = x^2+x+x[/TEX]
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